Port-Gentil Weather in May

NASA POWER reanalysis for the half-degree grid cell around Port-Gentil, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 28°C on May 1 to 26°C on May 31, and lows from 27°C to 25°C. Normal precipitation for the month is 166 mm over about 22 wet days.

May day by day

The normal high and low for each date, and the record, in °C.

Normal low
Normal high
Record high
Record low

May at a glance

Average high: 27°C
Average low: 26°C
Precipitation: 166 mm
Record high: 33°CMay 11, 2024
Record low: 19°CMay 23, 1994
Daylight: 12 h 06 min to 12 h 05 min
Cloud cover: 74%
Humidity: 87%
Dew point: 24°C
Wind: 15.1 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

Date	Normal high	Normal low	Record high	Record low	Chance wet
May 1	28°C	27°C	33°C 2014	22°C 1972	87%
May 2	28°C	27°C	33°C 1992	22°C 1975	86%
May 3	28°C	27°C	33°C 1952	21°C 1967	86%
May 4	28°C	27°C	33°C 2014	21°C 2008	86%
May 5	28°C	27°C	33°C 1952	22°C 1973	85%
May 6	28°C	27°C	32°C 1950	21°C 1955	84%
May 7	27°C	27°C	33°C 1951	22°C 1969	82%
May 8	27°C	27°C	33°C 1951	20°C 2007	81%
May 9	27°C	27°C	32°C 1950	22°C 1955	79%
May 10	27°C	27°C	32°C 1950	22°C 1982	78%
May 11	27°C	27°C	33°C 2024	22°C 1968	77%
May 12	27°C	27°C	32°C 1952	22°C 1970	76%
May 13	27°C	26°C	32°C 2020	22°C 1968	75%
May 14	27°C	26°C	32°C 1951	21°C 2002	74%
May 15	27°C	26°C	32°C 1951	22°C 1967	72%
May 16	27°C	26°C	31°C 1950	22°C 1976	71%
May 17	27°C	26°C	32°C 2007	22°C 1958	70%
May 18	27°C	26°C	32°C 2014	22°C 1953	68%
May 19	27°C	26°C	32°C 1983	22°C 1979	67%
May 20	27°C	26°C	32°C 1952	22°C 1956	66%
May 21	27°C	26°C	32°C 2014	21°C 1956	65%
May 22	27°C	26°C	32°C 2014	20°C 1950	63%
May 23	27°C	26°C	31°C 1998	19°C 1994	63%
May 24	27°C	26°C	31°C 1963	21°C 2000	61%
May 25	27°C	26°C	31°C 1963	22°C 1959	58%
May 26	27°C	26°C	31°C 1963	22°C 1954	56%
May 27	26°C	26°C	31°C 1950	20°C 1994	54%
May 28	26°C	26°C	31°C 1963	22°C 1959	51%
May 29	26°C	26°C	32°C 1951	21°C 1959	49%
May 30	26°C	25°C	31°C 1950	21°C 1958	47%
May 31	26°C	25°C	32°C 1950	20°C 1955	43%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+1).

May 1: sunrise 6:19 AM, sunset 6:25 PM
May 31: sunrise 6:20 AM, sunset 6:25 PM

Every day of May: sun and moon

Other months

Sources

Records: NOAA GHCN-Daily, station GB000004501, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-27. Sun and moon: computed with the NOAA solar equations and Meeus.